The Steam Holiday Sale continues today with huge savings throughout the store! Check back often to take advantage of our eight-hour Flash Sales. You can even help select what goes on sale with our Community's Choice Voting Sales.

In addition to Flash and Vote sales, more than a hundred games and apps will be featured as Daily Deals throughout the sale, with new deals popping up every 24 hours.

Participating in the 2013 Steam Holiday Sale will also earn customers exclusive Holiday Sale Trading Cards. Collect, trade, and craft 10 Holiday Snow Globe Cards that can only be earned during the sale. Every craft of a Holiday Sale badge will also generate a random item drop from 10 participating Free-To-Play games, featuring exclusive in-game items from Warframe, Path of Exile, Team Fortress 2, DOTA 2 and more. These items are both tradable and marketable.

Antichamber is a mind-bending psychological exploration game where nothing can be taken for granted. Discover an Escher-like world where hallways wrap around upon each other, spaces reconfigure themselves, and accomplishing the impossible may just be the only way forward.

Several years in the making, Antichamber received over 25 awards and honors throughout its development, in major competitions including the Independent Games Festival, the PAX10, IndieCade and Make Something Unreal. Antichamber was also supported by the Indie Fund.